JSFiddle - React, Tailwind, and code Playground

Пример. Собеседование.

by Vladymyr Shevchuk

JavaScript

var obj = {
	test1: {
    	a: 1,
        b: 5,
        c: -12
    },
    test2: {
    	i: 12,
        x: 18
    }    
};

var mask = {
		test1: 'b',
    test2: 'x'
}

console.log(obj[Object.keys(mask)[0]][mask.test1]);
console.log(obj[Object.keys(mask)[1]][mask.test2]);

for (var i in mask) {
  console.log(obj[i][mask[i]]);
}